4.Venturi面罩運用下列何項原理提供不同的氧分率(FiO2 )?
(A)viscous shearing effect
(B)Boyle’s law
(C)Poiseuille’s law
(D)choked flow
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統計: A(56), B(2), C(39), D(5), E(0) #1059139
統計: A(56), B(2), C(39), D(5), E(0) #1059139